I asked the same thing at a gun store. He told me that the extension you see isnt even an extension at all. Its just for looks. You can buy a real extension but it will cost you some serious cash. I looked close at it and he was absolutely right. The end piece was just a spacer tube and not an extension at all. Why they did this I have no idea?
For the price you have to pay you'd think an extension would be included? Thats my only gripe with the M4. Other than that its still a sexy beast.
Last edited by mixflip; 02-28-2010 at 14:53..